﻿using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Win32;

namespace GTTSOfLibrary.IO
{
    class Regedit
    {
        /// <summary>
        /// 读取指定名称的注册表的值
        /// </summary>
        /// <param name="name">注册表值</param>
        /// <returns></returns>
        private string GetRegistData(string name)
        {
            string registData;
            RegistryKey hkml = Registry.LocalMachine;
            RegistryKey software = hkml.OpenSubKey("SOFTWARE", true);
            RegistryKey aimdir = software.OpenSubKey("China228.com", true);
            registData = aimdir.GetValue(name).ToString();
            return registData;
        }

        /// <summary>
        /// 注册表中写数据 
        /// </summary>
        /// <param name="name">注册表</param>
        /// <param name="tovalue">值</param>
        private void WTRegedit(string name, string tovalue)
        {
            RegistryKey hklm = Registry.LocalMachine;
            RegistryKey software = hklm.OpenSubKey("SOFTWARE", true);
            RegistryKey aimdir = software.CreateSubKey("China228.com");
            aimdir.SetValue(name, tovalue);
        }

        /// <summary>
        /// .删除注册表中指定的注册表项
        /// </summary>
        /// <param name="name">注册表</param>
        private void DeleteRegist(string name)
        {
            string[] aimnames;
            RegistryKey hkml = Registry.LocalMachine;
            RegistryKey software = hkml.OpenSubKey("SOFTWARE", true);
            RegistryKey aimdir = software.OpenSubKey("China228.com", true);
            aimnames = aimdir.GetSubKeyNames();
            foreach (string aimKey in aimnames)
            {
                if (aimKey == name)
                    aimdir.DeleteSubKeyTree(name);
            }
        }

        /// <summary>
        /// 判断指定注册表项是否存在
        /// </summary>
        /// <param name="name">注册表</param>
        /// <returns></returns>
        private bool IsRegeditExit(string name)
        {
            bool _exit = false;
            string[] subkeyNames;
            RegistryKey hkml = Registry.LocalMachine;
            RegistryKey software = hkml.OpenSubKey("SOFTWARE", true);
            RegistryKey aimdir = software.OpenSubKey("China228.com", true);
            subkeyNames = aimdir.GetSubKeyNames();
            foreach (string keyName in subkeyNames)
            {
                if (keyName == name)
                {
                    _exit = true;
                    return _exit;
                }
            }
            return _exit;
        }


    }
}
